package cn.tedu.boot09_2.mapper;

import cn.tedu.boot09_2.entity.Emp;

import java.util.List;

public interface EmpMapper {

    void insert(Emp e);

    int insertEmp(List<Emp> list);

    void deleteById(int id);

    void deleteEmp(int[] arr);

    void dynamicUpdate(Emp e);

    Emp selectById(int id);

    List<Emp> select();

    int selectCount();
}
